<%--
  Created by IntelliJ IDEA.
  User: shortimenosee
  Date: 8/12/2020
  Time: 下午2:28
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%--${msg}--%>
<%
String error=request.getParameter("error");
if ("1".equals(error)){
    out.println("用户名不能为空");
}else if ("2".equals(error)){
    out.println("密码不能为空");
}
else {
    out.println("用户名或密码错误");
}
    out.println("error:"+error);
%>
</body>
</html>
